8 people reported this problem
4.7 exhaust manifold bolts-yep, drivers sideon Jeep Grand Cherokee
6 people shared problem details
2005 Jeep Grand Cherokee46,000Visitor
same problem with my wives 2005 Jeep Grand Cherokee 4.7 limited. Took it to the dealer and at the time ,the exhaust leak was small. They decarbonized the motor and performed a tune up/new spark plugs/oil change ect... when I went back to pick it up,the noise was noticeably louder and the dealer told me that there was a broken bolt on the drivers side exhaust manifold. I asked why this would happen and he proceeded to tell me that it was due to heat fluctuation. Ive never heard of any other vehicles having such a problem,but I read on a jeep forum that they used 7 mill bolts instead of 8 mill on a V8 high output motor. I mean come on,it does not take a rocket scientist to know that things get hot down there. They told me it would cost around a thousand bucks to fix it! It seems that every time I bring her car in for scheduled servicing,I am spending extra money for some other problem. Will not be taking to the Dealer anymore to fix! They need to step up to the plate and recall for this problem!To many others with same problem! ... Ex Jeep Enthusiast!
As like many others, both rear exhaust manifold studs sheared off. Ticking and popping sound when you start it, slowly subsides when warmed up. My neighbors enjoy the sound of my old Farmall tractor each morning before work reminding them not to buy a Jeep. So, you need to be half monkey, one quarter snake and one quarter contortionist to reach these bolts. Expensive fix that our friends at Chrysler continue not to acknowledge that there is a prob. Yes, I'm pis'sed. 5th jeep and as time goes on, they have become simply..lousy. Search '4.7 exhaust leak' and count the hits. As with my electrical problem (all the guages flashing, cute interior dinging sounds-headlights flashing, like ET and his spaceship on crack), Chrslyer has some clown that needed to be 'hero of the day' by saving money replacing the 10mm+ bolts down to a stingy 8mm. Genius. No flex pipe to absorb the natural V8 torque motor flexing. Done with them. Swapping it for a 4runner.
2005 Jeep Grand Cherokee115,000Visitor
Told one bolt on exhaust manifold has sheared off. Fix (for one side) to replace bolts -- drop manifold and replace gaskets -- estimated at $450 and 3.5 hours labor
2005 Jeep Grand Cherokee111,000Visitor
Yeppers. I actually HEARD the exhaust manifold stud 'pop'. Motor was recently turned off, I was sitting in my car and heard a metallic ping sound. When I started it, sounded like a 1948 Farm-All tractor on a winter's morning. Yes, driver's side. Allll the way on the rear cylinder. PITA to remove. All labor costs. Btw, if you decide to continue to drive it, the scolding exhaust will burn your heat shield and catch fire. Don't ask how I know. Insist on a NON OEM replacement stud. OEM stud is inferior metal.Why go this again.
2005 Jeep Grand CherokeeVisitor
missing so bad no power and ticking
Both exhaust manifold gaskets replaced bolts on both sides broken. Only been a few hundred miles. I think the problem is back I bet a bolt has broken I hear a mild exhaust leak. Dealer says what I hear is normal I do not agree, they just don't want to fix.
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